Showing posts with label sensory-motor. Show all posts
Showing posts with label sensory-motor. Show all posts

Wednesday, April 15, 2020

What do you expect? (A "Tsough" question for pronunciation teaching!)

Intriguing title of  recent piece/summary on ScienceDaily.com: "Flaw in Rubber Hand Illusion raise tsough questions for psychology" (a real double threat: not only a spelling miscue, but a grammar issue as well.)  Do those two little "glitches" affect your expectations as to what is in the article? Unavoidably, eh . . . and that is too bad. The research by Lush of University of Sussex being summarized is potentially paradigm shaking (original title): Demand Characteristics Confound the Rubber Hand Illusion.
From the summary: 
Clker.com

"The Rubber Hand Illusion, where synchronous brush strokes on a participant's concealed hand and a visible fake hand can give the impression of illusory sensations of touch and of ownership of the fake hand, has been cited in more than 5,000 articles since it was first documented more than 20 years ago."

What that appeared to establish early on is that the brain was in some sense "hard wired" to tranfer sensation throughout the body, as a function of consciousness. The problem, according to Lush, and demonstrated in the study, is that the results from experiments exploring that effect, may be hopeless biased by what are termed "demand characteristics," of the study, in effect (hypnotic-like) suggestion as to what the researcher expects to find and the subjects experience. 

In other words, subjects will do their best to exhibit the effect being elicited. In Lush's study, subjects' expectations for how they would respond to the "rubber hand", having read the original introductory protocols, were striking to the extent that they were biased in favor of experiencing the "ghost sensations" in the rubber hand. 

Since in haptic pronunciation teaching the hands play a central role in linking sound, gesture and concepts, we clearly have a "pony in this race" as well.

A couple of decades ago, in a piece on the role of suggestion in language teaching in the JALT Language Teacher, I cited a paragraph from a (then) popular student pronunciation book (bold-face, mine):

"Acquiring good pronunciation is the most difficult part of learning a new language. As you improve your articulation you have to learn to listen and imitate all over again. As with any activity you wish to do well, you have to practice, practice, practice, and then practice some more . Remember that you cannot accomplish good pronunciation overnight; improvement takes time. Some students may find it more difficult than others and will need more time than others to improve" (Orion, 1989, pp. xxiii-iv).

I went on to note: "In those . . . words and phrases . . . can you not hear echoes of that famous line above the door in Dante's Inferno, "Abandon hope, all ye who enter here?"

This relates back to two blog posts ago on "pronunciation preambles," that is the way instructors set up work in pronunciation. Human beings, at least most of them, are highly suggestable. They have to be to be capable of picking up subtle cues in their environment quickly and efficiently. Pronunciation teaching, and pronunciation, in general, has gotten a bad rap, some of it deservedly so, of course, but how it is presented to learners, consciously and subconsciously, makes an enormous difference in outcome.

A "slight of hand" in the truest sense. What are you suggesting?

Source: 
University of Sussex. (2020, April 10). Flaw in Rubber Hand Illusion raise tsough questions for psychology. ScienceDaily. Retrieved April 15, 2020 from www.sciencedaily.com/releases/2020/04/200410162432.htm

Sunday, October 8, 2017

The shibboleth of great pronunciation teaching: Body sync!

If there is a sine qua non of contemporary pronunciation teaching, in addition to the great story of the first recorded pronunciation test in history that we often use in teacher training, it is the use of mirroring (moving along with a spoken model on audio or video). If you are not familiar with the practice of mirroring, here are a few links to get you started by Meyers (PDF), Meyers (video) and Jones.
Clker.com

There are decades of practice and several studies showing that it works, seems to help improve suprasegmentals, attitudes and listening comprehension--among other things. There has always been a question, however, as to how and why. A new study by Morillon and Baillet of McGill University reported by ScienceDaily.com not only suggests what is going on but also (I think) points to how to better work with a range of techniques related to mirroring in the classroom.

The study looked at the relationship between motor and speech perception centers of the brain. What it revealed was that by getting subjects to move (some part) of their bodies to the rhythm of what they were listening to, their ability to predict what sound would come next was enhanced substantially. Quoting from the ScienceDaily summary:

"One striking aspect of this discovery is that timed brain motor signaling anticipated the incoming tones of the target melody, even when participants remained completely still. Hand tapping to the beat of interest further improved performance, confirming the important role of motor activity in the accuracy of auditory perception."

The researchers go on to note that a good analogy is the experience of being in a very noisy cocktail party and trying focus in on the speech rhythm of someone you are listening to better understand what they are saying. (As one whose hearing is not what it used to be, due in part to just age and tinnitus, that strategy is one I'm sure I employ frequently.) You can do that, I assume, by either watching the body or facial movement or just syncing to rhythm of what you can hear.

As both Meyer and Jones note, with the development of visual/auditory technology and the availability to appropriate models on the web or in commercial materials, the feasibility of any student having the opportunity and tools to work with mirroring today has improved dramatically. Synchronized body movement is the basis of haptic pronunciation teaching. We have not done any systematic study of the subsequent impact of that training and practice on speech perception, but students often report that silently mirroring a video model helps them understand better. (Well, actually, we tell them that will happen!)

If you are new to mirrored body syncing in pronunciation teaching or in listening comprehension work, you should  try it, or at least dance along with us for a bit.

Source:
McGill University. (2017, October 5). Predicting when a sound will occur relies on the brain's motor system: Research shows how the brain's motor signals sharpen our ability to decipher complex sound flows. ScienceDaily. Retrieved October 6, 2017 from www.sciencedaily.com/releases/2017/10/171005141732.htm

Sunday, August 13, 2017

Motor-mouth language (and pronunciation): learning through "sleep napnia"

"Give me a break!" (This is your brain talking after a hard day of learning.) One of the fundamental
principles of hypnotherapy, and many similar frameworks, is that at critical points in the process, conscious attention to learning must be suspended. Unless it is, little or nothing will be retained or integrated. One of the ways we do that, of course, is sleep. (In hypnosis that is done very intentionally.)

Clker.com
A fascinating "rat" study, summarized by Neuroscience News, “Neural reactivations during sleep determine network credit assignment” by Gulati, Guo, Ramanathan, Bodepudi and Ganguly of University of California - San Francisco, explored how the brain consolidates motor learning during sleep. Let me translate the conclusion hidden in that title for you. 

They found that deep sleep was required for the brain to, in effect, sort out what was relevant and functionally important in learning a complex motor task, separating out and discarding all the false starts and exploratory moves required to finally get it "right." They could actually watch the motor area of the brain "playing" with the new pattern repeatedly in sleep. Upon waking, if the rats who were allowed to "sleep it through", their performance was correct. If the deep sleep activity was, in effect, injected with a little static that did not let the extraneous "moves" be backgrounded efficiently, the pattern was not readily available to the rat when conscious again. 

Hope that long "unpack" did not put you to sleep! The research on the function and necessity of sleep for learning is long established. Here is one takeaway for pronunciation teaching, or the use of gesture in language teaching in general

In our highly physical, "motorized" experiential work in haptic pronunciation teaching, we long ago recognized that learning how to use the pedagogical movement patterns (specifically created gestures tied to sound patterns) took time--and time off. In other words, you work on the movements for a few minutes and then set it aside, without even THINKING about mastery. That comes later, days later, pretty much without you even thinking about it. For the perfectionist and control freak, the haptic system can be quite a challenge initially.

We can't require that students get a good night's sleep or even a nap occasionally. There is also probably no feasible way right now to research that, but the principle is important. At least efficient, simple motor learning requires sleep to sort things out. In addition, the learning experience has to be relatively free of extraneous static being encoded or absorbed along with it as it is happening.

One of the primary contributions of touch in the haptic system is strong, temporary focusing of attention on the coordinated sound and gesture being learned. That should include enhanced body awareness and decluttering of the visual field. When the brain then works on the pattern that evening in the sack, it should have even a little less interference to play with and work through.

Pronunciation, as motor-based as it is,  is certainly nothing to lose sleep over!

Definitions of motor-mouth!

"Napnia" (a neologism) defined: Taking a nap to learn in or by!

Original source:
UCSF (2017, August 11). Deep Sleep Reinforces the Learning of New Motor Skills. NeuroscienceNew. Retrieved August 11, 2017 from http://neurosciencenews.com/Deep Sleep Reinforces the Learning of New Motor Skills/



Saturday, February 7, 2015

Why haptic (pronunciation) teaching and learning should be superior!

Wow. How about this "multi-sensory" conclusion from Max-Planck-Gesellschaft researchers Mayer, Yildiz, Macedonia, and von Kriegstein, Visual and motor cortices differentially support the translation of foreign language words (full citation below)--summarized by Science daily (boldface added for emphasis) :

"The motor system in the brain appears to be especially important: When someone not only hears vocabulary in a foreign language, but expresses it using gestures, they will be more likely to remember it. Also helpful, although to a slightly lesser extent, is learning with images that correspond to the word. Learning methods that involve several senses, and in particular those that use gestures, are therefore superior to those based only on listening or reading."

The basic "tools" of haptic pronunciation teaching, what we call "pedagogical movement patterns," are defined as follows:

As a word or phrase is visualized (visual) and spoken with resonant voice, a gesture moving across the visual field is preformed which culminates in hands touching on the stressed syllable of the word or phrase (cognitive/linguistic), as the sound of the word is experienced as articulatory muscle movement in the upper body and by vibrations in the body emanating from the vocal cords and (to some degree) sound waves returning to the ears (auditory). 
Clipart'
Clker.com

And what bonds that all together? A 2009 study by Fredembach,et al demonstrated just how haptic anchoring--and the PMP should work: in relative terms, the major contribution of touch may generally be exploratory and assembling of multi-sensory experiences. The key is to do as much as possible to ensure that learners keep as many senses in play during "teachable moments" when new word-sound complexes are being encountered and learned. 

Make sense? Keep in touch!

Citations:
Fredembach, B., Boisferon, A. & Gentaz, E. (2009) Learning of arbitrary association between visual and auditory novel stimuli in adults: The “Bond Effect” of haptic exploration. PLoS ONE, 2009, 4(3), 13-20.
Max-Planck-Gesellschaft. (2015, February 5). Learning with all the senses: Movement, images facilitate vocabulary learning. ScienceDaily. Retrieved February 7, 2015 from www.sciencedaily.com/releases/2015/02/150205123109.htm

Saturday, November 29, 2014

Seeing before believing: key to (haptic) pronunciation teaching

We call it "haptic pronunciation teaching." That is actually shorthand for something like:
simultaneous haptic-integration of visual-auditory-kinesthetic-tactile modalities in anchoring pronunciation

Almost every functional system for teaching pronunciation includes graphics or videos of some kind, even if it just a black and while line drawing of the mouth. Some substitute extensive written or verbal explanation for visual models. Our basic approach has been to use touch to link the senses, but often without too much concern for the precise order in which learner attention is directed through the various sources of information on the sound.

A fascinating new study on sensory sequencing in dance instruction by Blitz from Bielefeld University reported in Science Daily (see complete reference below) suggests that our real time sequencing in training in the use of pedagogical movement patterns (gesture, plus touch) is probably much more critical than we have assumed. That is especially relevant to how we (hapticians) maintain attention in the process. In other words, in the classroom, in what order do we introduce and train learners to the parameters of sounds and sound processes? That is, of course, equally relevant to all teaching!

NOTE: Please accept for the moment the parallel between dance instruction and our haptic work, that is training learners to experience, through gesture/touch and placement in the visual field, L2 or L1 sounds associated with targeted words. Also, allow me to side step the question of whether dancers are, by nature probably a bit "hyper-kinesthetic!"  

The study discovered that first viewing a dance sequence without verbal explanation or instruction--and then hearing or reading instructions after that was significantly more effective than the converse in long term memory for the sequence. Both visual and "cognitive" sources were present but the order was the critical variable. The subjects were apparently free to repeat both the visual and verbal inputs a limited number of times, but not to "mix" the ordering of them.

In other words, insight into what had been experienced was far more effective than was verbal cognitive schema in setting up and productively exploiting the visual experience or model to come. For us, the pedagogical implications are relatively clear, something like: (1) Observation (video clip) then (2) brief verbal explanation, then (3) experiential training in doing the gestural pattern, then (4) practice, along with (5) focused explanation of the context of the targeted sound.

How might that perspective impact your (pronunciation) teaching?

AMPISys, Inc.

See what I mean?






Full reference: Bielefeld University. "Best sensory experience for learning a dance sequence." ScienceDaily. ScienceDaily, 7 November 2014. .

Saturday, August 30, 2014

Improve L2 pronunciation-- with or without lifting a finger!

Clip art: Clker
Listen to this! (You may even want to sit down before you do!) New study showing how movement can affect listening by Mooney and colleagues at Duke University, summarized by Science Daily. Here's the summary:

"When we want to listen carefully to someone, the first thing we do is stop talking. The second thing we do is stop moving altogether. The interplay between movement and hearing has a counterpart deep in the brain. A new study used optogenetics to reveal exactly how the motor cortex, which controls movement, can tweak the volume control in the auditory cortex, which interprets sound."

Now, granted, the study was done on mice who probably have some other stuff going on down there in their motor cortices as well. Nonetheless, the striking insight into the underlying relationship between movement and volume control on our auditory input circuits is enough to give us (an encouraging) "pause . . . " in two senses:

First, learning new pronunciation begins with aural comprehension, being able to "hear" the sound distinctions. We have played with the idea of having learners gesture along with instructor models while listening. The study suggests that may not be as effective as we thought, or at least the conditions that we set up have to be more sensitive to "volume" and ambient static. You can see the implications for aural comprehension work in general as well. 

Second, during early speaking production in haptic pronunciation instruction, being able to temporarily  suppress auditory input (coming in through the ears) is seen as essential. Following Lessac and many others in speech and voice training, what we are after initially is focus on vocal resonance in the upper body and kinaesthetic awareness of the gestural patterns, what we call "pedagogical movement patterns" or PMPs. 


We do that, in part, to dampen (i.e., turn down the volume) on how the learner's production is perceived initially, filtered through the L1 or personal interlanguage versions, trying to focus instead on the core of the sound(s), approximations, not absolute accuracy. Some estimates of our awareness of our own voice suggest that it is less than 25% auditory, that is coming in through the air to our ears, the rest being body-based, or somatic. 

What we hear should be moving, not what we hear with apparently! 

SCID citation: Duke University. "Stop and listen: Study shows how movement affects hearing." ScienceDaily. ScienceDaily, 27 August 2014 .

Sunday, August 17, 2014

The right way to teach the "wrong" pronunciation!

 Credit: Clker/
Library of Congress
One of the delights of having been in the field for a few decades is seeing "new" research seemingly confirm old, out-of-fashion practices. Here's a good example, a 2014 study, summarized by Science Daily, by Herzfeld, Vaswani, Marko, and Shadmehr of Johns Hopkins University School of Medicine. The study focuses on how memory for errors facilitates effective sensory-motor learning.

In essence, they found that the brain seems to have two parallel learning management systems in sensory-motor learning. One is the Experiencer, learning the new skill; the other, something like "the Coach," that uses previous motor patterns in adjusting and perfecting the target skill. And the "surprising" finding: the two systems appear to be much more independent than previously thought, and furthermore, "the memories of errors foster faster learning!"

Wow. Does that mean that drawing attention to a learner's L1-influenced errors in pronunciation may, in fact, be a good thing? Apparently. Exactly how and when that is done is the question, of course. Most experienced speech professionals, especially speech pathologists, are very comfortable with occasional focus on the "error" as a point of departure, but until very recently, use of L1 pronunciation in L2 pronunciation instruction in this field has been, at least, not discussed formally in the literature.

I recently posted a question on a discussion board of pronunciation researchers and methodologists related to L1 use in pronunciation instruction--and got no response, other than some off-list comments to the effect that it is generally not done--probably a holdover from earlier Behaviourist notions of avoiding errors at all costs.

As noted in several earlier posts, in haptic pronunciation work, especially with vowels and intonation, anchoring of L1 structures and pronunciation is often key to quick, effective change. The Herzfield et al. study may help to explain why: haptic work is probably more strongly positioned or experienced on  the sensory-motor side or track of the brain, allowing the L1 to be "used" somewhat more in isolation, causing less potential "interference" there than typical auditory/visual processing and practice.

Now that may be wrong, but (hopefully) helpful, nonetheless!

Citation: Johns Hopkins Medicine. "Memories of errors foster faster learning." ScienceDaily. ScienceDaily, 14 August 2014. .